95 citations · 435 across the 16 of their papers we have counts for
17 papers
Dielectric Barrier Discharge Actuators: Experimental and Numerical Study of Momentum Injection into Co-flow and Counter-flow Freestream
Anthony Tang, Nathan Li, Benjamin Price +3
Dielectric barrier discharge (DBD) plasma actuators can generate a wall jet without moving parts by interacting with ionized and neutral molecules in an electric field. The couplin…
Momentum Injection via Dielectric Barrier Discharge Actuators in Low-Speed External Flow
Anthony Tang, Benjamin Price, Alexander Mamishev +2
Dielectric barrier discharge (DBD) plasma actuators can generate a wall jet without moving parts through interaction between ionized and neutral molecules in an electric field. The…
Network of Low-cost Air Quality Sensor for Monitoring Indoor, Outdoor, and Personal PM2.5 Exposure in Seattle during the 2020 Wildfire Season
Jiayang He, Ching-Hsuan Huang, Nanhsun Yuan +3
The increased frequency of wildfires in the Western United States has raised public concerns. Exposure to wildfire smoke has been linked to an increased risk of cancer and cardiore…
Active Flow Control of NACA 0012 airfoil using Sawtooth Direct Current Augmented Dielectric Barrier Discharge Plasma Actuator
Ravi Sankar Vaddi, Charles Sota, Alexander Mamishev +1
Dielectric barrier discharge (DBD) plasma actuators are an attractive option for separation control, lift enhancement, and drag reduction. Some plasma actuators feature optimized e…
Assessing the Value of Complex Refractive Index and Particle Density for Calibration of Low-Cost Particle Matter Sensor for Size-Resolved Particle Count and PM2.5 Measurements
Ching-Hsuan Huang, Jiayang He, Elena Austin +2
Commercially available low-cost particulate matter (PM) sensors provide output as total or size-specific particle counts and mass concentrations. These quantities are not measured…
Empirical Model for Discharge Current and Momentum Injection in Dielectric Barrier Discharge
Anthony Tang, Ravi Sankar Vaddi, Alexander Mamishev +1
Dielectric Barrier Discharge (DBD) plasma actuators with an asymmetric, straight edge electrode configuration generate a wall-bounded jet without moving parts. Mechanistic descript…
Sparse nonlinear models of chaotic electroconvection
Yifei Guan, Steven L. Brunton, Igor Novosselov
Convection is a fundamental fluid transport phenomenon, where the large-scale motion of a fluid is driven, for example, by a thermal gradient or an electric potential. Modeling con…
Analytical Model for Electrohydrodynamic Thrust
Ravi Sankar Vaddi, Yifei Guan, Alexander Mamishev +1
Electrohydrodynamic (EHD) thrust is produced when ionized fluid is accelerated in an electric field due to the momentum transfer between the charged species and neutral molecules.…
Three-dimensional Electro-convective Vortices in Cross-flow
Yifei Guan, James Riley, Igor Novosselov
The study focuses on the 3D electro-hydrodynamic (EHD) instability for flow between to parallel electrodes with unipolar charge injection with and without cross-flow. Lattice Boltz…
Comparison of Analytical and Numerical Models for Point to Ring Electro-Hydrodynamic Flow
Yifei Guan, Ravi Sankar Vaddi, Alberto Aliseda +1
An electrohydrodynamic (EHD) flow in a point-to-ring corona configuration is investigated experimentally, analytically and via a multiphysics numerical model. The interaction betwe…
Experimental and Numerical Investigation of Corona Discharge Induced Flow on a Flat Plate
Ravi Sankar Vaddi, Yifei Guan, Zhi Yan Chen +2
Electrohydrodynamic (EHD) flow induced by planar corona discharge in the wall boundary layer region is investigated experimentally and via a multiphysics computational model. The E…
A laser-microfabricated electrohydrodynamic thruster for centimeter-scale aerial robots
Hari Krishna Hari Prasad, Ravi Sankar Vaddi, Yogesh M Chukewad +3
To date, insect scale robots capable of controlled flight have used flapping wings for generating lift, but this requires a complex and failure-prone mechanism. A simpler alternati…
Supercritical Water Gasification: Practical Design Strategies and Operational Challenges for Lab-Scale, Continuous Flow Reactors
Brian R. Pinkard, David J. Gorman, Kartik Tiwari +4
Optimizing an industrial-scale supercritical water gasification process requires detailed knowledge of chemical reaction pathways, rates, and product yields. Laboratory-scale react…
Behavior of Ultrafine Particles in Electro-Hydrodynamic Flow Induced by Corona Discharge
Ravi Sankar Vaddi, Yifei Guan, Igor Novosselov
Ultrafine particle behavior in electro-hydrodynamic (EHD) flow induced by corona discharge is studied experimentally and numerically. The EHD flow serves as a primary particle aspi…
Two Relaxation Time Lattice Boltzmann Method Coupled to Fast Fourier Transform Poisson Solver: Application to Electroconvective Flow
Yifei Guan, Igor Novosselov
Electroconvective flow between two infinitely long parallel electrodes is investigated via a multiphysics computational model. The model solves for spatiotemporal flow properties u…
Wall Jet Similarity of Impinging Planar Underexpanded Jets
Patrick Fillingham, Igor Novosselov
Velocity profiles and wall shear stress values in the wall jet region of planar underexpanded impinging jets are parameterized based on nozzle parameters (stand-off height, jet hyd…
Effect of Couette Flow on Electroconvective Vortices
Yifei Guan, Igor Novosselov
Numerical simulation of Electroconvective vortices behavior in the presence of Couette flow between two infinitely long electrodes is investigated. The two-relaxation-time Lattice…